The hungry bear followed his nose to our camp, which was surrounded by a high wire fence. He pulled and bit the wire. He stood on his back legs and pushed at the wooden fence posts.     1    (恐惧喷薄而出，将我紧紧包围，我已经寸步难行了).     2    (惊恐不已，我觉得两腿发抖，手心冒汗). Beside me was my wife, who was rooted to the ground,     3    (吓呆了). At the sight of the polar bear’ bloody mouth,     4    (吓得要死).The furry creature launched an attack on the fence, instantly leaving a narrow opening on it.     5    (我们感觉浑身血液凝固了)because of the terrible sight. Our throats tightened and our knees felt weak. Elli and I tried all the bear defense actions we knew. We yelled at the bear, hit pots hard, and fired blank shotgun shells into the air.